5. Reaction of 4-arylmethylene-3-phenylisoxazolones and 4-arylmethylene-1,3-diphenylpyrazolones with enamines and nucleophilic heterocycles David C. Cook,Alexander Lawson J. Chem. Soc. Perkin Trans. 1 1974 1112
8. Nucleophilic attack on 4-aminomethyleneoxazol-5(4H)-ones, a rationalisation of penicillin carcinogenicity J. L. Longridge,D. Timms J. Chem. Soc. B 1971 848
10. Rate and equilibrium studies of the reaction of oxyanions with 2-phenyloxazol-5(4H)-one Edwin Chrystiuk,Adelina Jusoh,Dino Santafianos,Andrew Williams J. Chem. Soc. Perkin Trans. 2 1986 163